<template>
  <div>
    <el-breadcrumb separator-class="el-icon-arrow-right" style="font-size: 16px">
      <el-breadcrumb-item :to="{ path: '/' }">后台管理</el-breadcrumb-item>
      <el-breadcrumb-item>新增SPU</el-breadcrumb-item>
      <el-breadcrumb-item>第一步: 选择类别</el-breadcrumb-item>
    </el-breadcrumb>

    <el-divider></el-divider>

    <el-form :model="ruleForm" :rules="rules" ref="ruleForm" label-width="100px" class="demo-ruleForm">
      <el-form-item label="商品类别" prop="categoryId">
        <el-input v-model="ruleForm.categoryId" placeholder="请输入商品类别id"></el-input>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" @click="submitForm('ruleForm')">下一步</el-button>
        <el-button @click="resetForm('ruleForm')">重置</el-button>
      </el-form-item>
    </el-form>
  </div>
</template>

<script>
export default {
  data() {
    return {
      ruleForm: {
        name: '',
        categoryId: ''
      },
      rules: {
        categoryId: [
          {required: true, message: '请输入商品类别id', trigger: 'blur'}
        ],
      }
    };
  },
  methods: {
    loadLocalRuleForm(){
      let localRuleFormString = localStorage.getItem('ruleForm')
      if (localRuleFormString){
        let localRuleForm = JSON.parse(localRuleFormString);
        this.ruleForm.categoryId = localRuleForm.categoryId
      }
    },
    submitForm(formName) {
      this.$refs[formName].validate((valid) => {
        if (valid) {
          let url = 'http://localhost:9080/categories/'+this.ruleForm.categoryId+'/getStandById';
          console.log('url = '+url)
          this.axios
              .create({'headers':{'Authorization': localStorage.getItem('jwt')}})
          .get(url).then((response) => {
            let responseBody = response.data
            if (responseBody.state == 20000){
              if (responseBody.data.isParent == 1){
                this.$message.error('错误, 选择的类别必须不包含子级类别')
              } else {
                let ruleFormString = JSON.stringify(this.ruleForm)
                localStorage.setItem('ruleForm', ruleFormString)

                this.$router.push('spu-add-new2')
              }
            }else {
              this.$message.error(responseBody.message)
            }
          })
        }else {
          console.log('error submit!!');
          return false;
        }
      });
    },
    resetForm(formName) {
      this.$refs[formName].resetFields();
    }
  },
  mounted() {
    this.loadLocalRuleForm()
  }
}
</script>


